noun, noun or participle which takes 'suru', transitive verb
sneaking a bite; snitching food
The act of secretly eating food, often without permission. Both glosses refer to the same behavior; 'snitching' is a more colloquial variant.
冷蔵庫のケーキを盗み食いした。
I sneaked a bite of the cake from the fridge.
弟がお菓子を盗み食いしているの
I caught my little brother snitching some snacks.